Method Read

Source/cmELF.cxx:327–357

  }

  bool Read(ELF_Ehdr& x)
  {
    // Read the header from the file.
    if (!this->Stream->read(reinterpret_cast<char*>(&x), sizeof(x))) {
      return false;
    }

    // The byte order of ELF header fields may not match that of the
    // processor-specific data.  The header fields are ordered to
    // match the target execution environment, so we may need to
    // memorize the order of all platforms based on the e_machine
    // value.  As a heuristic, if the type is invalid but its
    // swapped value is okay then flip our swap mode.
    ELF_Half et = x.e_type;
    if (this->NeedSwap) {
      cmELFByteSwap(et);
    }
    if (!this->FileTypeValid(et)) {
      cmELFByteSwap(et);
      if (this->FileTypeValid(et)) {
        // The previous byte order guess was wrong.  Flip it.
        this->NeedSwap = !this->NeedSwap;
      }
    }

    // Fix the byte order of the header.
    if (this->NeedSwap) {
      this->ByteSwap(x);
    }
    return true;
  }
  bool Read(ELF_Shdr& x)
  {
    if (this->Stream->read(reinterpret_cast<char*>(&x), sizeof(x)) &&